uv 0.12.18
Release Notes Released on 2026-09-22. This release addresses GHSA-2cv4-cqwr-gwf7 , which is a path traversal weakness during wheel installation on Windows. No other platforms are affected by this advisory.
Also shipped Sep 23, 2026Astral in September 2026 →
New features and improvements in Copilot for JetBrains
GitHub Copilot for JetBrains 1.18.0 brings AI-assisted tool approvals, more control over agent conversations, and shared skills and instructions for your organization. You can also review plans with the Codex agent and manage MCP tools with persistent controls.
Scalar and Batch Unity Catalog Python UDFs are now generally available
Scalar and Batch Unity Catalog Python UDFs are now generally available on all supported compute types. This release adds named handlers for row-at-a-time scalar UDFs, removes the five-UDF-call-per-query limit, and aligns scalar TIMESTAMP inputs with PySpark behavior.
Build governed data and AI apps without code (Beta)
You can now build governed data and AI apps without code. Genie App Builder authors apps in natural language, App Spaces enforce governance, and Serverless Micro Apps scale to zero when idle. See Governed agentic app building .
Non-deterministic aggregate functions are supported with dynamic table incremental refresh (General availability)
Non-deterministic aggregate functions such as approx count distinct , approx percentile , and approx top k are now supported with dynamic table incremental refresh in INCREMENTAL, AUTO, and ADAPTIVE refresh modes. For incremental refresh, these functions are supported only in the SELECT clause. any value remains unsupported.
More ways to request and configure Copilot code reviews
GitHub Copilot code review now offers additional personal configurations to an expanded set of Copilot plans and an enterprise-level default setting. These improvements are now generally available: A dedicated personal settings page for automatic review and your default review effort An enterprise-wide default review effort setting for organization-owned...
Node 20 is no longer available in GitHub Actions
This is the final notification that Node 20 is no longer available on GitHub Actions runners. Runners now use Node 24 for JavaScript actions. The temporary ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION opt-out is no longer available. If you maintain a JavaScript action, update its runs.using value to node24 and publish a new release as soon as possible.
More from uvEvery uv release →
uv 0.12.19
Release Notes Released on 2026-09-24. Python Add PyPy 3.11.16 and 3.12.14 Update GraalPy 3.13.0 to build 25.4.4 Enhancements Format upload URLs with backticks in uv publish errors Preview features Run build-backend hooks with lazy imports on CPython 3.15 and later using the build-lazy-imports preview feature Omit unused resolution settings from uv.lock and...
uv 0.12.20
Release Notes Released on 2026-09-28. Enhancements Reuse lockfiles when dependency declarations are semantically equivalent Preserve second-line encoding declarations when installing wheel scripts with CRLF shebangs Preview features Write normalized requirement declarations with the lockfile-normalization preview feature Honor synthetic default groups when...
uv 0.12.17
Release Notes Released on 2026-09-18. Enhancements Reject unsupported Git archive paths in lockfiles with a clear error instead of panicking during frozen exports ( #21780 ) Preview features Set minimum glibc and musl versions that universal resolutions must support with minimum-libc-version ( #21651 ) Reject pylock.toml files whose wheel filenames do not...
uv 0.12.16
Release Notes Released on 2026-09-17. Python Add Pyodide 314.0.7, 0.29.5, and 0.27.8 ( #21741 ) Enhancements Verify downloaded wheels and source distributions against hashes supplied by package indexes ( #21562 ) Allow build-constraint-dependencies entries to include hashes for verifying downloaded build dependencies ( #21467 ) Honor Darwin platform_release...
uv 0.12.15
Release Notes Released on 2026-09-15. Performance Speed up cold-cache resolution and HTTP cache revalidation by batching cache writes ( #21675 ) Bug fixes Fix regressions in 0.12.14 when installing to symlinked destinations or using uv pip install --target .
uv 0.12.14
Release Notes Released on 2026-09-15. Enhancements Resume interrupted downloads with HTTP Range requests when supported ( #21570 ) Use a consistent format for error rendering ( #17110 ) Render error and warning causes with compact cause: labels ( #21599 , #21603 ) Show underlying causes and hints in user warnings ( #21565 ) Show resolver hints for failed uv...
uv 0.12.21
Release Notes Released on 2026-09-29. Python Update CPython to use OpenSSL 3.5.9 Enhancements Omit empty [manifest] tables from lockfiles that contain only manifest subtables Preview features Omit redundant runtime constraints from uv.lock, including those involving pre-releases, with the resolution-inputs preview feature (#22004, #22068) Bug fixes Prevent...
uv 0.12.22
Release Notes Released on 2026-10-01. Python Add CPython 3.10.22, 3.11.17, 3.12.15, 3.13.16, and 3.14.8 Enhancements Accept uppercase release suffixes in wheel platform tags Record workspace-member default groups in lockfiles (#22010, #22103) Record workspace-member dependency-group Python requirements in lockfiles (#22044, #22103) Record default groups for...